package com.dragon.shop_user.mapper;

import com.dragon.shop_user.entity.UserInfo;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;

import java.math.BigDecimal;


/**
 * <p>
 *  Mapper 接口
 * </p>
 *
 * @author Baomidou
 * @since 2025-03-20
 */
@Mapper
public interface UserInfoMapper extends BaseMapper<UserInfo> {

    Integer decrBlance(BigDecimal money, String userId);

}

